Re: There is an issue with obsolete, unsigned .kexts
"Interesting. My 2011 iMac became un-bootable (re-install needed via System Recovery) after I changed the Firewall PF settings using Murus (and re-booted to make effective)"
Regrettably, Apple seems to be concentrating primarily on iPhones and iOS at the expense of both Macs and macOS and there's no shortage of complaints on Mac forums about how recent releases and updates of macOS have lacked quality control in the past couple of years.
Biting the hand that feeds IT
